Soft magnetic thin film comprising alternate layers of iron carb

Details Soft magnetic thin film comprising alternate layers of iron carb Soft magnetic thin film comprising alternate layers of iron carb

1989-04-27

1991-11-26

Cashion, Jr., Merrell C.

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Web or sheet containing structurally defined element or...

Physical dimension specified

428693, 428694, 428900, G11B 2300

Patent

active

050681478

ABSTRACT:
In a soft-magnetic thin film, layers of iron carbide are laminated alternately with layers of at least one of iron, iron nitride and iron carbon-nitride and when needed, layers of non-magnetic material. The thin film provides particular features including 1) saturation magnetic flux density of at least 1.5 teslas; 2) relative permeability and coercive force greater than those of the conventional soft-magnetic material; and 3) durability for practical use.

REFERENCES:
patent: 4610935 (1986-09-01), Kumasaka et al.
patent: 4775576 (1988-10-01), Bouchand et al.
patent: 4847161 (1989-07-01), Rupp
Kazama, N. S. et al., "Preparation and Magnetic Properties of Amorphous Superlattice", Sci. Rep. Res. Inst. Tohoku Univ. A 32, (2), 141-153, Mar. 1985.
Menon, S. K. et al., "Microstructure of Metastable Metallic Alloy Films Produced by Laser CVD", Los Alamos National Lab. Report No. LA-UR-86-3811; Conf-861207-15.
J. Appl. Phys., vol. 63, No. 8, Apr. 15, 1988, pp. 3202-3205.
Magnetics Society of Japan, vol. 12, No. 3, 1988, pp. 460-464, abstract only.

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